Artists frown. Constantly. Why? Charles Darwin considered the corrugator, the muscle which results in a frown, as the most remarkable of the human face because it irresistably conveys the idea of mind.1 And that's why, in my opinion, artists have used it for centuries not only in their own...

Visual metamorphosis. It's my term to describe a compositional method long used by major artists but virtually unknown to the art world except in a few rare cases. The only major exceptions I can immediately think of are Martin Schöngauer, Albrecht Dürer and Gustave Courbet three centuries...

In a relatively recent book on Paul Cézanne's portraits of his wife, Hortense, Susan Sidlauskas examines the nearly 30 images he made of her over a fourteen-year period in greater detail than has ever been done before. It is an important subject because, despite the many years in which the...